6 Pcs Square Hole Drill Bits Set, Steel Hollow Chisel Woodworking Tools Set for Square Hole Saw Wood Drill Bits Square Hole Drill Bit Mortising Chisel, 1/4 5/16 3/8 1/2 9/16 5/8 Inch

General description 6 Pcs Square Hole Drill Bits Set, Steel Hollow Chisel Woodworking Tools Set designed for creating square holes in wood. This professional drill bit set is ideal for construction, installation, renovation, and decoration projects. Technical specifications Material: Special steel with heat treatment Hardness: HRC 48-50 Slot Diameters: 1/4 inch (6.4 mm), 5/16 inch (8 mm), 3/8 inch (9.5 mm), 1/2 inch (12.7 mm), 9/16 inch (14 mm), 5/8 inch (16 mm) Weight: Total weight approximately 1215g Individual weights: 1/4 inch (106g), 5/16 inch (131g), 3/8 inch (154g), 1/2 inch (195g), 9/16 inch (214g), 5/8 inch (222g) Compatibility and accessories Compatible with mortise and tenon machines Requires electric drill and hammer for operation Usage Ideal for mortising, chiseling, and woodworking tasks Suitable for various industries including construction, installation, renovation, and decoration